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#
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#
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from __future__ import annotations
from typing import TYPE_CHECKING
from airflow.providers.amazon.aws.hooks.neptune import NeptuneHook
from airflow.providers.amazon.aws.triggers.base import AwsBaseWaiterTrigger
if TYPE_CHECKING:
from airflow.providers.amazon.aws.hooks.base_aws import AwsGenericHook
[docs]class NeptuneClusterAvailableTrigger(AwsBaseWaiterTrigger):
"""
Triggers when a Neptune Cluster is available.
:param db_cluster_id: Cluster ID to poll.
:param waiter_delay: The amount of time in seconds to wait between attempts.
:param waiter_max_attempts: The maximum number of attempts to be made.
:param aws_conn_id: The Airflow connection used for AWS credentials.
:param region_name: AWS region name (example: us-east-1)
"""
def __init__(
self,
*,
db_cluster_id: str,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = None,
region_name: str | None = None,
**kwargs,
) -> None:
super().__init__(
serialized_fields={"db_cluster_id": db_cluster_id},
waiter_name="cluster_available",
waiter_args={"DBClusterIdentifier": db_cluster_id},
failure_message="Failed to start Neptune cluster",
status_message="Status of Neptune cluster is",
status_queries=["DBClusters[0].Status"],
return_key="db_cluster_id",
return_value=db_cluster_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
**kwargs,
)
[docs] def hook(self) -> AwsGenericHook:
return NeptuneHook(
aws_conn_id=self.aws_conn_id,
region_name=self.region_name,
verify=self.verify,
config=self.botocore_config,
)
[docs]class NeptuneClusterStoppedTrigger(AwsBaseWaiterTrigger):
"""
Triggers when a Neptune Cluster is stopped.
:param db_cluster_id: Cluster ID to poll.
:param waiter_delay: The amount of time in seconds to wait between attempts.
:param waiter_max_attempts: The maximum number of attempts to be made.
:param aws_conn_id: The Airflow connection used for AWS credentials.
:param region_name: AWS region name (example: us-east-1)
"""
def __init__(
self,
*,
db_cluster_id: str,
waiter_delay: int = 30,
waiter_max_attempts: int = 60,
aws_conn_id: str | None = None,
region_name: str | None = None,
**kwargs,
) -> None:
super().__init__(
serialized_fields={"db_cluster_id": db_cluster_id},
waiter_name="cluster_stopped",
waiter_args={"DBClusterIdentifier": db_cluster_id},
failure_message="Failed to stop Neptune cluster",
status_message="Status of Neptune cluster is",
status_queries=["DBClusters[0].Status"],
return_key="db_cluster_id",
return_value=db_cluster_id,
waiter_delay=waiter_delay,
waiter_max_attempts=waiter_max_attempts,
aws_conn_id=aws_conn_id,
**kwargs,
)
[docs] def hook(self) -> AwsGenericHook:
return NeptuneHook(
aws_conn_id=self.aws_conn_id,
region_name=self.region_name,
verify=self.verify,
config=self.botocore_config,
)